The third presidential debate between Donald Trump and Hillary Clinton takes place on Wednesday October 19, 2016 and this will be the final chance for each candidate to get the upper hand face to face in front of a national audience before November's election.

When does the third presidential debate take place (Start time & Duration)?
The 3rd presidential debate takes place at the University of Nevada in Las Vegas and has a start time of 9 p.m. ET. The debate will run for 90 minutes without any commercial breaks and can be watched on various TV networks or online through free live stream by clicking here.

A full video of the 3rd debate can be seen in the video player below:

What is the debate format, and what topics will be discussed?
This final presidential debate is scheduled to tackle six topics, each for 15 minutes. The topics up for debate will be debt & entitlements, immigration, the economy, Supreme Court nominees, foreign hot spots, and fitness to be the president.

Will any 3rd party candidates be in the debate?
The debate, like the previous two, will only feature Donald Trump and Hillary Clinton, and Libertarian candidate Gary Johnson, as well as Green Party nominee Jill Stein, both did not make the cut of achieving a 15 percent average polling mark to qualify for the televised debate.

Who is the 3rd debate moderator?
This third and final debate will be moderated by Chris Wallace from Fox News. Wallace is the anchor for "Fox News Sunday" and has a strong reputation for challenging political leaders from both major parties.

Wallace was seen moderating the Republican primary debates along with colleague Megan Kelly and Bret Baier.

The Fox News man has said he aims to be "fair and balanced" towards both candidates in the debate, and has commented that he hopes the focus remains on Clinton and Trump rather than the moderator. He has said, "If people say, 'it was a great debate and I don't remember you being there,' I will have done my job."

Which TV Channels will broadcast the debate?
Around a dozen major TV broadcasting networks and cable channels will be showing the debate in its entirety, without any interruptions and commercial breaks. Among the TV channels scheduled to air the debate live are ABC, CBS, FOX, NBC, CNN, Fox News, MSNBC, and C-SPAN.

How to watch the 3rd presidential debate online through live streaming?
The final presidential debate will be live streamed on numerous outlets, websites and apps. A live stream of the debate can be watched by clicking here.

Facebook will also be showing a live stream of ABC News' coverage of the debate.

Meanwhile, Twitter will not be left behind, and will live stream the debate in partnership with Bloomberg. Twitter hashtags that will carry the bulk of the 3rd presidential debate tweets are #Debates and #Debates2016.

What is the latest from the polls ahead of the debate?
With Election Day less than three weeks away, various polls have Hillary Clinton with the advantage over Donald Trump. Clinton holds a 6 point advantage, according to the latest NBC News - Survey Monkey Weekly Election Tracker, which shows Clinton with 46 percent and Trump lagging behind with 40 percent.